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<font color='#009900'>// Copyright (C) 2011  Davis E. King (davis@dlib.net)
</font><font color='#009900'>// License: Boost Software License   See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_ANY_FUNCTION_ARG_LIST
<font color='#0000FF'>#error</font> "<font color='#CC0000'>You aren't supposed to directly #include this file.  #include &lt;dlib/any.h&gt; instead.</font>"  
<font color='#0000FF'>#endif</font>

<font color='#0000FF'>#ifdef</font> DLIB_ANY_FUNCTION_ARG_LIST 

<font color='#009900'>// The case where function_type has a non-void return type
</font>    <font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font><font color='#0000FF'>typename</font> function_type, <font color='#0000FF'>typename</font> Enabled<font color='#5555FF'>&gt;</font>
    <font color='#0000FF'>class</font> <b><a name='any_function'></a>any_function</b><font color='#5555FF'>&lt;</font>function_type, Enabled, DLIB_ANY_FUNCTION_NUM_ARGS<font color='#5555FF'>&gt;</font>
    <b>{</b>
<font color='#0000FF'>#define</font> DLIB_ANY_FUNCTION_RETURN <font color='#0000FF'>return</font>
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='any_function_impl.h.html'>any_function_impl.h</a>"
<font color='#0000FF'>#undef</font> DLIB_ANY_FUNCTION_RETURN

    <font color='#0000FF'>private</font>:
        <font color='#009900'>// You get a compiler error about this function being private if you try to assign
</font>        <font color='#009900'>// or copy between any_functions with different types.  You must only copy between
</font>        <font color='#009900'>// any_functions that represent functions with the same signature.
</font>        <font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font><font color='#0000FF'>typename</font> T, <font color='#0000FF'>typename</font> U<font color='#5555FF'>&gt;</font> <b><a name='any_function'></a>any_function</b><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> any_function<font color='#5555FF'>&lt;</font>T,U<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font><font face='Lucida Console'>)</font>;
    <b>}</b>;

<font color='#009900'>// The case where function_type has a void return type
</font>    <font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font><font color='#0000FF'>typename</font> function_type<font color='#5555FF'>&gt;</font>
    <font color='#0000FF'>class</font> <b><a name='any_function'></a>any_function</b><font color='#5555FF'>&lt;</font>function_type, <font color='#0000FF'>typename</font> sig_traits<font color='#5555FF'>&lt;</font>function_type<font color='#5555FF'>&gt;</font>::type, DLIB_ANY_FUNCTION_NUM_ARGS<font color='#5555FF'>&gt;</font>
    <b>{</b>
<font color='#0000FF'>#define</font> DLIB_ANY_FUNCTION_RETURN 
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='any_function_impl.h.html'>any_function_impl.h</a>"
<font color='#0000FF'>#undef</font> DLIB_ANY_FUNCTION_RETURN

    <font color='#0000FF'>private</font>:
        <font color='#009900'>// You get a compiler error about this function being private if you try to assign
</font>        <font color='#009900'>// or copy between any_functions with different types.  You must only copy between
</font>        <font color='#009900'>// any_functions that represent functions with the same signature.
</font>        <font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font><font color='#0000FF'>typename</font> T<font color='#5555FF'>&gt;</font> <b><a name='any_function'></a>any_function</b><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> any_function<font color='#5555FF'>&lt;</font>T<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font><font face='Lucida Console'>)</font>;
    <b>}</b>;

<font color='#0000FF'>#undef</font> DLIB_ANY_FUNCTION_ARG_LIST
<font color='#0000FF'>#undef</font> DLIB_ANY_FUNCTION_ARGS
<font color='#0000FF'>#undef</font> DLIB_ANY_FUNCTION_NUM_ARGS

<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_ANY_FUNCTION_ARG_LIST
</font>

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